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explain non-determinism bug

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Quaternions 2025-01-15 02:59:40 -08:00
parent 3413ec8740
commit 2a9e848541
1 changed files with 6 additions and 1 deletions
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7
strafe-client/src/mouse_interpolator.rs
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@ -122,7 +122,12 @@ impl MouseInterpolator{
// case 3: stop // case 3: stop
// a mouse event is buffered, but no mouse events have transpired within 10ms // a mouse event is buffered, but no mouse events have transpired within 10ms
// push buffered mouse instruction and flush buffer to output // This is a potential source of non-determinism
// since the timestamp from the first instruction after timeout is used
// and not the precise timeout timestamp.
// This can be fixed by polling the mouse interpolator for timeout externally
// and then conditionally running the timeout right before every instruction.
// Essentially moving this if statement outside where the timer is accessible.
if self.get_mouse_timedout_at(ins.time).is_some(){ if self.get_mouse_timedout_at(ins.time).is_some(){
// push buffered mouse instruction and flush buffer to output // push buffered mouse instruction and flush buffer to output
self.timeout_mouse(ins.instruction.time); self.timeout_mouse(ins.instruction.time);